Iron Mountain Incorporated (IRM) Stock Chart
IRM price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
IRM performance vs the market
Total return, dividends reinvestedIRM monthly returns
IRM historical prices
IRM dividends & splits
About the IRM chart
Iron Mountain (IRM) closed at $112.51 on October 16, 2026, up 38.7% so far this year. The stock is trading 0.0% below its 200-day moving average of $112.52, which technical analysts usually read as a long-term downtrend. Over the past year IRM returned +9.9% including dividends, behind the S&P 500 (+16.8%).
This page charts the full trading history of Iron Mountain Incorporated stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the IRM stock overview.
IRM chart FAQ
What is Iron Mountain's all-time high stock price?
The highest closing price for IRM was $133.06 on June 23, 2026 (adjusted for stock splits). As of the October 16, 2026 close it traded 15.4% below that level.
What is the 52-week range of IRM stock?
Over the 52 weeks to October 16, 2026, IRM traded between an intraday low of $77.77 on December 18, 2025 and an intraday high of $134.68 on June 24, 2026.
Is IRM above its 200-day moving average?
No. On October 16, 2026 IRM closed at $112.51, 0.0% below its 200-day simple moving average of $112.52. The 50-day average was $116.35.
How has IRM stock performed compared with the S&P 500?
Including reinvested dividends, IRM returned +9.9% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were +206.0% and +83.0%.
Does Iron Mountain pay a dividend?
Yes. Iron Mountain paid $3.46 per share in dividends over the past 12 months (4 payments), a yield of about 3.07% at the latest close. The most recent dividend of $0.86 per share had an ex-dividend date of September 15, 2026.
Has IRM stock ever split?
IRM has split its stock 5 times: 3:2 (August 3, 1998), 3:2 (January 2, 2002), 3:2 (July 1, 2004), 3:2 (January 3, 2007), 1082:1000 (September 26, 2014). Prices on this chart are adjusted for all splits.
How do I read the IRM chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots IRM against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.